Finding the Fourth Proportional to 96,471.71, 133,075.76 and 56,181.09
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Solution
The fourth proportional to 96,471.71, 133,075.76 and 56,181.09 is: 77,497.76
Step by Step Solution
- Step 1: Write the proportion equation
96,471.71 : 133,075.76 = 56,181.09 : x - Step 2: Convert to fraction form
96,471.71/133,075.76 = 56,181.09/x - Step 3: Cross multiply
96,471.71x = 133,075.76 × 56,181.09 - Step 4: Simplify right side
96,471.71x = 7,476,341,783.53 - Step 5: Solve for x
x = 7,476,341,783.53/96,471.71 - Step 6: Final answer
x = 77,497.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.